---> uname -a: Linux prd-centos7-docker-4c-2g-1917.vexxhost.local 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.436 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 4096K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 887M 0 887M 0% /dev tmpfs 919M 0 919M 0% /dev/shm tmpfs 919M 17M 903M 2% /run tmpfs 919M 0 919M 0% /sys/fs/cgroup /dev/vda1 50G 7.6G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 602 66 16 1168 1036 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP group default qlen 1000 link/ether fa:16:3e:25:33:e0 brd ff:ff:ff:ff:ff:ff inet 10.30.123.204/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fe25:33e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c1:69:8b:bf brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:c1ff:fe69:8bbf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/29/2020 _x86_64_ (4 CPU) 01:49:13 AM LINUX RESTART 01:50:01 AM tps rtps wtps bread/s bwrtn/s 01:51:01 AM 127.55 33.99 93.57 6433.92 23676.54 01:52:01 AM 95.41 57.92 37.49 4895.97 4267.85 01:53:01 AM 113.33 26.40 86.93 1639.29 12609.91 Average: 112.10 39.44 72.66 4323.98 13520.50 01:50:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 AM 113184 1768372 93.98 2620 1152256 1242920 42.42 542040 1010824 39144 01:52:01 AM 83448 1798108 95.56 2620 1122572 1170952 39.96 651944 957384 64164 01:53:01 AM 94956 1786600 94.95 2596 1096720 1125176 38.40 620512 928876 33164 Average: 97196 1784360 94.83 2612 1123849 1179683 40.26 604832 965695 45491 01:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 AM veth844806a 24.26 36.56 2.05 294.62 0.00 0.00 0.00 01:51:01 AM eth0 928.50 613.68 4448.93 290.25 0.00 0.00 0.00 01:51:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:51:01 AM docker0 24.26 36.43 1.72 294.61 0.00 0.00 0.00 01:52:01 AM eth0 320.28 218.62 906.01 772.15 0.00 0.00 0.00 01:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM eth0 30.18 19.59 114.46 7.46 0.00 0.00 0.00 01:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 257.11 167.70 959.07 336.58 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.09 12.15 0.57 98.26 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/29/2020 _x86_64_ (4 CPU) 01:49:13 AM LINUX RESTART 01:50:01 AM CPU %user %nice %system %iowait %steal %idle 01:51:01 AM all 16.46 0.00 4.74 1.93 1.21 75.66 01:51:01 AM 0 32.49 0.00 7.45 0.34 1.28 58.45 01:51:01 AM 1 9.24 0.00 3.62 0.78 1.15 85.22 01:51:01 AM 2 12.83 0.00 4.12 5.56 1.00 76.48 01:51:01 AM 3 11.59 0.00 3.84 1.03 1.40 82.14 01:52:01 AM all 17.03 0.00 2.54 1.62 0.67 78.14 01:52:01 AM 0 46.72 0.00 4.97 2.46 0.59 45.26 01:52:01 AM 1 8.21 0.00 1.72 2.35 0.61 87.12 01:52:01 AM 2 10.29 0.00 2.68 1.13 0.86 85.04 01:52:01 AM 3 3.93 0.00 0.87 0.57 0.65 93.98 01:53:01 AM all 15.64 0.00 3.62 2.30 0.11 78.32 01:53:01 AM 0 28.48 0.00 5.13 1.92 0.12 64.36 01:53:01 AM 1 16.58 0.00 4.40 3.33 0.15 75.53 01:53:01 AM 2 7.11 0.00 2.22 0.22 0.07 90.38 01:53:01 AM 3 10.58 0.00 2.79 3.77 0.12 82.74 Average: all 16.38 0.00 3.63 1.95 0.66 77.38 Average: 0 35.84 0.00 5.85 1.57 0.66 56.08 Average: 1 11.32 0.00 3.24 2.15 0.64 82.65 Average: 2 10.07 0.00 3.00 2.30 0.64 83.99 Average: 3 8.69 0.00 2.49 1.79 0.72 86.31